Senior Fullstack .NET Developer (Azure)

TL;DR

Senior Fullstack .NET Developer (Azure): Developing and refactoring a core distribution system for real-time data distribution with an accent on cloud migration and system modernization. Focus on migrating legacy ASP.NET Web Forms and WCF services to a modern Azure-based microservices architecture.

Location: Remote, Kyiv, or Warsaw

Company

A global technology leader specializing in sustainable and innovative energy solutions.

What you will do

• Develop and refactor Windows-based applications responsible for real-time data distribution.
• Support the migration of legacy components (ASP.NET Web Forms, WCF services) to a modern Azure-based cloud architecture.
• Design and build new frontend projects and MVPs while maintaining existing backend logic.
• Ensure high code quality, continuous stability, and security of customer-facing services.
• Participate in architectural discussions, product feature planning, and Agile activities including code reviews.

Requirements

• Mastery of C# with deep experience in both .NET Framework and modern .NET versions.
• Strong proficiency in T-SQL and Microsoft SQL Server.
• Hands-on experience with Microsoft Azure Cloud Services, microservices, and event-driven architecture.
• Proficiency in modern UI frameworks, with React being a significant advantage.
• Ability to work with and extend legacy codebases and develop web services.
• English: Good technical and communication skills are mandatory.

Nice to have

• Experience with GitHub Actions and CI/CD pipelines.
• Practical experience with Windows Forms, ASP.NET Web Forms, and Windows Service Applications.

Culture & Benefits

• Competitive salary and comprehensive benefits package.
• Flexible working hours and 20 days of annual vacation plus paid state holidays.
• Paid sick leave and a personal laptop with all necessary software.
• Access to corporate support services including an accountant, lawyer, and psychologist.
• 50% compensation for professional workshops, conferences, and English classes.
• Transparent and bureaucracy-free management style.